help
Enable 'busybox --install [-s]' support. This will allow you to use
busybox at runtime to create hard links or symlinks for all the
- applets that are compiled into busybox. This feature requires the
- /proc filesystem.
+ applets that are compiled into busybox.
config BUSYBOX_CONFIG_LOCALE_SUPPORT
bool "Enable locale support (system needs locale for this to work)"
Don't enable this unless you have a really good reason to clean
things up manually.
+config BUSYBOX_CONFIG_FEATURE_PIDFILE
+ bool "Support writing pidfiles"
+ default y
+ help
+ This option makes some applets (e.g. crond, syslogd, inetd) write
+ a pidfile in /var/run. Some applications rely on them.
+
config BUSYBOX_CONFIG_FEATURE_SUID
bool "Support for SUID/SGID handling"
default y
are login, passwd, su, ping, traceroute, crontab, dnsd, ipcrm, ipcs,
and vlock.
-config BUSYBOX_CONFIG_FEATURE_SYSLOG
- bool "Support for syslog"
- default y
- help
- This option is auto-selected when you select any applet which may
- send its output to syslog. You do not need to select it manually.
-
config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG
bool "Runtime SUID/SGID configuration via /etc/busybox.conf"
default n if BUSYBOX_CONFIG_FEATURE_SUID
The file has to be owned by user root, group root and has to be
writeable only by root:
- (chown 0.0 /etc/busybox.conf; chmod 600 /etc/busybox.conf)
+ (chown 0.0 /etc/busybox.conf; chmod 600 /etc/busybox.conf)
The busybox executable has to be owned by user root, group
root and has to be setuid root for this to work:
- (chown 0.0 /bin/busybox; chmod 4755 /bin/busybox)
+ (chown 0.0 /bin/busybox; chmod 4755 /bin/busybox)
Robert 'sandman' Griebl has more information here:
<url: http://www.softforge.de/bb/suid.html >.
/etc/busybox.conf should be readable by the user needing the SUID, check
this option to avoid users to be notified about missing permissions.
-config BUSYBOX_CONFIG_FEATURE_HAVE_RPC
- bool "RPC support"
- default y
- help
- Select this if you have rpc support.
- This automatically turns off all configuration options that rely
- on RPC.
-
config BUSYBOX_CONFIG_SELINUX
bool "Support NSA Security Enhanced Linux"
default n
Most people will leave this set to 'N'.
+config BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
+ bool "exec prefers applets"
+ default y
+ help
+ This is an experimental option which directs applets about to
+ call 'exec' to try and find an applicable busybox applet before
+ searching the PATH. This is typically done by exec'ing
+ /proc/self/exe.
+ This may affect shell, find -exec, xargs and similar applets.
+ They will use applets even if /bin/<applet> -> busybox link
+ is missing (or is not a link to busybox). However, this causes
+ problems in chroot jails without mounted /proc and with ps/top
+ (command name can be shown as 'exe' for applets started this way).
+
config BUSYBOX_CONFIG_BUSYBOX_EXEC_PATH
string "Path to BusyBox executable"
default "/proc/self/exe"
executable. If you haven't got /proc, set this to wherever you
want to run BusyBox from.
+# These are auto-selected by other options
+
+config BUSYBOX_CONFIG_FEATURE_SYSLOG
+ bool "Support for logging to syslog"
+ default y
+ help
+ This option is auto-selected when you select any applet which may
+ send its output to syslog. You do not need to select it manually.
+
+config BUSYBOX_CONFIG_FEATURE_HAVE_RPC
+ bool "RPC support"
+ default y
+ help
+ This is automatically selected if any of enabled applets need it.
+ You do not need to select it manually.
+
endmenu
menu 'Build Options'
config BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
bool "Build shared libbusybox"
default n
+ depends on !BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
help
- Build a shared library libbusybox.so which contains all
- libraries used inside busybox.
-
- This is an experimental feature intended to support the upcoming
- "make standalone" mode. Enabling it against the one big busybox
- binary serves no purpose (and increases the size). You should
- almost certainly say "no" to this right now.
-
-config BUSYBOX_CONFIG_FEATURE_FULL_LIBBUSYBOX
- bool "Feature-complete libbusybox"
- default n if !BUSYBOX_CONFIG_FEATURE_SHARED_BUSYBOX
- depends on BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
+ Build a shared library libbusybox.so.N.N.N which contains all
+ busybox code.
+
+ This feature allows every applet to be built as a tiny
+ separate executable. Enabling it for "one big busybox binary"
+ approach serves no purpose and increases code size.
+ You should almost certainly say "no" to this.
+
+### config FEATURE_FULL_LIBBUSYBOX
+### bool "Feature-complete libbusybox"
+### default n if !FEATURE_SHARED_BUSYBOX
+### depends on BUILD_LIBBUSYBOX
+### help
+### Build a libbusybox with the complete feature-set, disregarding
+### the actually selected config.
+###
+### Normally, libbusybox will only contain the features which are
+### used by busybox itself. If you plan to write a separate
+### standalone application which uses libbusybox say 'Y'.
+###
+### Note: libbusybox is GPL, not LGPL, and exports no stable API that
+### might act as a copyright barrier. We can and will modify the
+### exported function set between releases (even minor version number
+### changes), and happily break out-of-tree features.
+###
+### Say 'N' if in doubt.
+
+config BUSYBOX_CONFIG_FEATURE_INDIVIDUAL
+ bool "Produce a binary for each applet, linked against libbusybox"
+ default n
+ depends on !BUSYBOX_CONFIG_STATIC && BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
help
- Build a libbusybox with the complete feature-set, disregarding
- the actually selected config.
+ If your CPU architecture doesn't allow for sharing text/rodata
+ sections of running binaries, but allows for runtime dynamic
+ libraries, this option will allow you to reduce memory footprint
+ when you have many different applets running at once.
- Normally, libbusybox will only contain the features which are
- used by busybox itself. If you plan to write a separate
- standalone application which uses libbusybox say 'Y'.
+ If your CPU architecture allows for sharing text/rodata,
+ having single binary is more optimal.
- Note: libbusybox is GPL, not LGPL, and exports no stable API that
- might act as a copyright barrier. We can and will modify the
- exported function set between releases (even minor version number
- changes), and happily break out-of-tree features.
+ Each applet will be a tiny program, dynamically linked
+ against libbusybox.so.N.N.N.
- Say 'N' if in doubt.
+ You need to have a working dynamic linker.
config BUSYBOX_CONFIG_FEATURE_SHARED_BUSYBOX
- bool "Use shared libbusybox for busybox"
- default n if BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
+ bool "Produce additional busybox binary linked against libbusybox"
+ default n
depends on !BUSYBOX_CONFIG_STATIC && BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
help
- Use libbusybox.so also for busybox itself.
- You need to have a working dynamic linker to use this variant.
+ Build busybox, dynamically linked against libbusybox.so.N.N.N.
+
+ You need to have a working dynamic linker.
+
+### config BUILD_AT_ONCE
+### bool "Compile all sources at once"
+### default n
+### help
+### Normally each source-file is compiled with one invocation of
+### the compiler.
+### If you set this option, all sources are compiled at once.
+### This gives the compiler more opportunities to optimize which can
+### result in smaller and/or faster binaries.
+###
+### Setting this option will consume alot of memory, e.g. if you
+### enable all applets with all features, gcc uses more than 300MB
+### RAM during compilation of busybox.
+###
+### This option is most likely only beneficial for newer compilers
+### such as gcc-4.1 and above.
+###
+### Say 'N' unless you know what you are doing.
config BUSYBOX_CONFIG_LFS
bool
cp, mount, tar, and many others. If you want to access files larger
than 2 Gigabytes, enable this option. Otherwise, leave it set to 'N'.
-config BUSYBOX_CONFIG_BUILD_AT_ONCE
- bool "Compile all sources at once"
- default n
- help
- Normally each source-file is compiled with one invocation of
- the compiler.
- If you set this option, all sources are compiled at once.
- This gives the compiler more opportunities to optimize which can
- result in smaller and/or faster binaries.
-
- Setting this option will consume alot of memory, e.g. if you
- enable all applets with all features, gcc uses more than 300MB
- RAM during compilation of busybox.
-
- This option is most likely only beneficial for newer compilers
- such as gcc-4.1 and above.
-
- Say 'N' unless you know what you are doing.
-
endmenu
menu 'Debugging Options'
Most people should answer N.
-config BUSYBOX_CONFIG_DEBUG_PESSIMIZE
- bool "Disable compiler optimizations."
+config BUSYBOX_CONFIG_WERROR
+ bool "Abort compilation on any warning"
default n
- depends on BUSYBOX_CONFIG_DEBUG
help
- The compiler's optimization of source code can eliminate and reorder
- code, resulting in an executable that's hard to understand when
- stepping through it with a debugger. This switches it off, resulting
- in a much bigger executable that more closely matches the source
- code.
+ Selecting this will add -Werror to gcc command line.
+
+ Most people should answer N.
+
+# Seems to be unused
+#config DEBUG_PESSIMIZE
+# bool "Disable compiler optimizations."
+# default n
+# depends on DEBUG
+# help
+# The compiler's optimization of source code can eliminate and reorder
+# code, resulting in an executable that's hard to understand when
+# stepping through it with a debugger. This switches it off, resulting
+# in a much bigger executable that more closely matches the source
+# code.
choice
prompt "Additional debugging library"
default BUSYBOX_CONFIG_NO_DEBUG_LIB
- depends on BUSYBOX_CONFIG_DEBUG
help
Using an additional debugging library will make BusyBox become
considerable larger and will cause it to run more slowly. You
that you really want this behaviour.
choice
- prompt "Applets links"
- default BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS
- help
- Choose how you install applets links.
+ prompt "Applets links"
+ default BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS
+ help
+ Choose how you install applets links.
config BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS
- bool "as soft-links"
- help
- Install applets as soft-links to the busybox binary. This needs some
- free inodes on the filesystem, but might help with filesystem
- generators that can't cope with hard-links.
+ bool "as soft-links"
+ help
+ Install applets as soft-links to the busybox binary. This needs some
+ free inodes on the filesystem, but might help with filesystem
+ generators that can't cope with hard-links.
config BUSYBOX_CONFIG_INSTALL_APPLET_HARDLINKS
- bool "as hard-links"
- help
- Install applets as hard-links to the busybox binary. This might count
- on a filesystem with few inodes.
+ bool "as hard-links"
+ help
+ Install applets as hard-links to the busybox binary. This might count
+ on a filesystem with few inodes.
+
+config BUSYBOX_CONFIG_INSTALL_APPLET_SCRIPT_WRAPPERS
+ bool "as script wrappers"
+ help
+ Install applets as script wrappers that call the busybox binary.
config BUSYBOX_CONFIG_INSTALL_APPLET_DONT
- bool
- prompt "not installed"
- depends on BUSYBOX_CONFIG_FEATURE_INSTALLER || BUSYBOX_CONFIG_FEATURE_SH_STANDALONE_SHELL
- help
- Do not install applet links. Useful when using the -install feature
- or a standalone shell for rescue pruposes.
+ bool "not installed"
+ depends on BUSYBOX_CONFIG_FEATURE_INSTALLER || BUSYBOX_CONFIG_FEATURE_SH_STANDALONE || BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
+ help
+ Do not install applet links. Useful when using the -install feature
+ or a standalone shell for rescue purposes.
+
+endchoice
+
+choice
+ prompt "/bin/sh applet link"
+ default BUSYBOX_CONFIG_INSTALL_SH_APPLET_SYMLINK
+ depends on BUSYBOX_CONFIG_INSTALL_APPLET_SCRIPT_WRAPPERS
+ help
+ Choose how you install /bin/sh applet link.
+
+config BUSYBOX_CONFIG_INSTALL_SH_APPLET_SYMLINK
+ bool "as soft-link"
+ help
+ Install /bin/sh applet as soft-link to the busybox binary.
+
+config BUSYBOX_CONFIG_INSTALL_SH_APPLET_HARDLINK
+ bool "as hard-link"
+ help
+ Install /bin/sh applet as hard-link to the busybox binary.
+
+config BUSYBOX_CONFIG_INSTALL_SH_APPLET_SCRIPT_WRAPPER
+ bool "as script wrapper"
+ help
+ Install /bin/sh applet as script wrapper that call the busybox binary.
endchoice
source package/busybox/config/shell/Config.in
source package/busybox/config/sysklogd/Config.in
source package/busybox/config/runit/Config.in
+source package/busybox/config/selinux/Config.in
+source package/busybox/config/ipsvd/Config.in